Fabricated recombined bamboo frame-supporting structure
By using prefabricated reconstituted bamboo frame structures and steel connectors and anchor bolts to enhance lateral stiffness, the problems of insufficient lateral stiffness and complex construction of bamboo structures have been solved, achieving low-carbon and environmentally friendly rapid construction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN PROVINCIAL ARCHITECTURAL DESIGN & RES INST
- Filing Date
- 2025-04-23
- Publication Date
- 2026-04-21
AI Technical Summary
Existing bamboo structures have insufficient lateral stiffness and are complex to construct. Traditional bamboo frame structures have low lateral stiffness and incomplete rigid connections at nodes, which leads to the code not recommending their use.
The prefabricated reconstituted bamboo frame structure is adopted. The steel connectors and anchor bolts at the foundation-column-brace nodes, column-beam-brace nodes, and beam-brace nodes enhance the lateral stiffness. The support diagonal braces are connected to the reconstituted bamboo frame beams and columns to form a clear force transmission path.
It improves the lateral stiffness and ease of construction of the structure, reduces carbon emissions during construction, meets low-carbon and environmental protection requirements, and has broad application prospects.
Smart Images

Figure CN224148879U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building structure technology, specifically to a prefabricated reconstituted bamboo frame-support structure, which is particularly suitable for low-rise and multi-story buildings and features high lateral stiffness, low carbon emissions, environmental friendliness, and rapid construction. Background Technology
[0002] With the global push for "dual carbon targets," the construction industry urgently needs a low-carbon transformation. Traditional steel and concrete have high carbon emissions during production and construction, while bamboo, due to its rapid regeneration and negative carbon characteristics, is an ideal alternative material. Reconstituted bamboo is a high-performance material made by the directional recombination of bamboo, possessing uniform mechanical properties and dimensional stability, but its structural system research is still in its infancy.
[0003] Reconstituted bamboo is a new type of bamboo building material with high strength and stable properties. Compared with raw bamboo, glued bamboo, and wood, reconstituted bamboo has more uniform and stable mechanical properties and better dimensional stability. However, research on reconstituted bamboo structural systems in my country is still in its early stages. Referring to existing wood structural systems, bamboo lightweight shear wall structures, although possessing high lateral stiffness, are complex to construct; while bamboo frame structures, although easy to construct, have low lateral stiffness, and beam-column joints cannot achieve truly rigid connections. Therefore, current relevant codes and standards do not recommend the direct adoption of bamboo frame structural systems.
[0004] Therefore, it is of great significance to develop a bamboo frame-support structure that combines high lateral stiffness, prefabricated construction, and low carbon characteristics. Summary of the Invention
[0005] This invention aims to solve the problems of insufficient lateral stiffness and complex construction of existing bamboo structures, and provides a prefabricated reconstituted bamboo frame-support structure.
[0006] To solve the above-mentioned technical problems, the technical solution proposed in this application is as follows:
[0007] A prefabricated reconstituted bamboo frame-support structure, comprising:
[0008] Base;
[0009] Reconstructed bamboo frame columns are vertically fixed to the foundation.
[0010] Reconstituted bamboo frame beams are horizontally connected between adjacent reconstituted bamboo frame columns;
[0011] Supporting diagonal braces are arranged in a herringbone pattern between the reconstituted bamboo frame columns and the reconstituted bamboo frame beams;
[0012] The floor system is fixed to the reconstituted bamboo frame beams.
[0013] Furthermore, it also includes a foundation-column-brace node, through which the foundation, the reconstituted bamboo frame column, and the supporting diagonal brace are connected; the foundation-column-brace node includes an anchor plate, a column base steel insert plate, anchor bolts, and a first pair of anchor bolts;
[0014] The anchor plate is fixed to the foundation by anchor bolts; the lower part of the column base steel insert plate is fixed to the anchor plate;
[0015] The reconstructed bamboo frame columns and supporting diagonal braces are embedded in the upper part of the column base steel inserts and fixed to the column base steel inserts by the first pair of anchor bolts.
[0016] Furthermore, it also includes a column-beam-brace node, wherein the reconstituted bamboo frame column, reconstituted bamboo frame beam and supporting diagonal rod are connected through the column-beam-brace node; the column-beam-brace node includes a T-shaped steel plate connector, a second pair of anchor bolts and a fourth pair of anchor bolts;
[0017] The T-shaped steel plate connector is fixed to the outside of the reconstituted bamboo frame column by the fourth pair of anchor bolts, and inserted into the support diagonal rod and the reconstituted bamboo frame beam. The second pair of anchor bolts passes through the T-shaped steel plate connector, the support diagonal rod and the reconstituted bamboo frame beam for fixation.
[0018] Furthermore, it also includes beam-brace nodes, through which the reconstituted bamboo frame beams and supporting diagonal members are connected; the beam-brace nodes include a first steel filler plate and a third pair of anchor bolts;
[0019] The first steel filler plate is inserted into the middle of the reconstituted bamboo frame beam, and the supporting diagonal rod is connected to the first steel filler plate through the third pair of anchor bolts.
[0020] Furthermore, it also includes beam-brace nodes, through which the reconstituted bamboo frame beams and supporting diagonal members are connected; the beam-brace nodes include a second steel filler plate, a fifth pair of anchor bolts, and a steel sleeve;
[0021] The steel sleeve is fitted outside the reconstituted bamboo frame beam, the second steel filler plate is welded to the steel sleeve, and the supporting diagonal rod is connected to the second steel filler plate through the fifth pair of anchor bolts.
[0022] Furthermore, the floor system consists of prefabricated reconstituted bamboo floor panels and steel keel, the steel keel including floor beams and floor cross braces.
[0023] Compared with the prior art, the present invention achieves the following beneficial technical effects:
[0024] This invention provides a prefabricated assembled reconstituted bamboo frame-support structure with clear force transmission, simple and aesthetically pleasing node construction, factory production, and on-site installation, facilitating construction, reducing carbon emissions during construction, and saving economic costs. It not only meets the construction industry's requirements for low-carbon and environmentally friendly construction but also improves structural safety and construction convenience, possessing broad application prospects and market potential. Attached Figure Description
[0025] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0026] Figure 1 Schematic diagram of the reconstructed bamboo frame - support structure;
[0027] Figure 2 Schematic diagram of the connection between the support start point and the foundation;
[0028] Figure 3 yes Figure 2 A schematic diagram of the decomposition process;
[0029] Figure 4 Schematic diagram showing the connection between the support at the beginning and the reconstituted bamboo beam column;
[0030] Figure 5 yes Figure 4 A schematic diagram of the decomposition process;
[0031] Figure 6 Schematic diagram of the connection between the support end and the reconstituted bamboo beam steel filler plate;
[0032] Figure 7 yes Figure 6 A schematic diagram of the decomposition process;
[0033] Figure 8 Schematic diagram of the combined connection between the support end and the reconstituted bamboo beam steel filler plate and steel sleeve;
[0034] Figure 9 yes Figure 8 A schematic diagram of its breakdown. Detailed Implementation
[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0036] As attached Figure 1-9 As shown in the embodiments of this application, a prefabricated reconstituted bamboo frame-support structure includes:
[0037] Basic 1;
[0038] The reconstructed bamboo frame column 2 is vertically fixed to the foundation 1;
[0039] The reconstituted bamboo frame beam 3 is horizontally connected between adjacent reconstituted bamboo frame columns 2;
[0040] The supporting diagonal brace 4 is arranged in a herringbone shape between the reconstituted bamboo frame column 2 and the reconstituted bamboo frame beam 3;
[0041] The floor system 5 is fixed to the reconstituted bamboo frame beam 3.
[0042] In the embodiments of this application, a foundation-column-support node is also included, wherein the foundation 1, the reconstituted bamboo frame column 2 and the supporting diagonal rod 4 are connected through the foundation-column-support node; the foundation-column-support node includes an anchor plate 8, a column base steel insert plate 7, an anchor bolt 9 and a first pair of anchor bolts 10;
[0043] Anchor plate 8 is fixed to foundation 1 by anchor bolts 9; the lower part of column base steel insert plate 7 is fixed to anchor plate 8;
[0044] The reconstructed bamboo frame column 2 and the supporting diagonal rod 4 are embedded in the upper part of the column base steel insert plate 7 and fixed to the column base steel insert plate 7 by the first pair of anchor bolts 10.
[0045] In the embodiments of this application, a column-beam-brace node 6 is also included, wherein the reconstituted bamboo frame column 2, the reconstituted bamboo frame beam 3 and the supporting diagonal rod 4 are connected by the column-beam-brace node; the column-beam-brace node 6 includes a T-shaped steel plate connector 61, a second pair of anchor bolts 62 and a fourth pair of anchor bolts 68;
[0046] The T-shaped steel plate connector 61 is fixed to the outside of the reconstituted bamboo frame column 2 by the fourth pair of anchor bolts 68, and is inserted into the support diagonal rod 4 and the reconstituted bamboo frame beam 3. The second pair of anchor bolts 62 pass through the T-shaped steel plate connector 61, the support diagonal rod 4 and the reconstituted bamboo frame beam 3 for fixation.
[0047] In the embodiments of this application, a beam-brace node is also included, through which the reconstituted bamboo frame beam 3 and the supporting diagonal rod 4 are connected; the beam-brace node includes a first steel filler plate 63 and a third pair of anchor bolts 64;
[0048] The first steel filler plate 63 is inserted into the middle of the reconstituted bamboo frame beam 3, and the supporting diagonal rod 4 is connected to the first steel filler plate 63 through the third pair of anchor bolts 64.
[0049] In the embodiments of this application, a beam-brace node is also included, through which the reconstituted bamboo frame beam 3 and the supporting diagonal rod 4 are connected; the beam-brace node includes a second steel filler plate 66, a fifth pair of anchor bolts 67 and a steel sleeve 65;
[0050] The steel sleeve 65 is fitted outside the reconstituted bamboo frame beam 3, the second steel filler plate 66 is welded to the steel sleeve 65, and the supporting diagonal rod 4 is connected to the second steel filler plate 66 through the fifth pair of anchor bolts 67.
[0051] In the embodiments of this application, the floor system 5 is composed of prefabricated reconstituted bamboo floor panels and steel keel, the steel keel including floor beams and floor cross braces.
[0052] The force transmission mode in this application is simple and clear. Vertical loads are transferred to the reconstituted bamboo frame beams 3 through the floor system 5, then to the reconstituted bamboo frame columns 2, and finally to the foundation 1. Due to the low lateral stiffness of the frame section, the horizontal force is mainly borne by the supporting diagonal members 4. By adding supporting diagonal members 4 to the reconstituted bamboo frame, and connecting the supporting diagonal members 4 to the reconstituted bamboo frame beams 3 and columns 2 through steel connectors and anchor bolts, the lateral stiffness of the structure is enhanced, and the safety of the structure is improved.
[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A fabricated re-bamboo frame-support structure, characterized by, include: Basic (1); Reconstructed bamboo frame columns (2) are vertically fixed to the foundation (1); The reconstituted bamboo frame beam (3) is horizontally connected between the adjacent reconstituted bamboo frame columns (2); Supporting diagonal braces (4) are arranged in a herringbone pattern between the reconstituted bamboo frame column (2) and the reconstituted bamboo frame beam (3); The floor system (5) is fixed to the reconstituted bamboo frame beam (3).
2. The fabricated re-bamboo framed-support structure according to claim 1, wherein: It also includes a foundation-column-bracing node, wherein the foundation (1), the reconstituted bamboo frame column (2) and the supporting diagonal rod (4) are connected through the foundation-column-bracing node; the foundation-column-bracing node includes an anchor plate (8), a column base steel insert plate (7), an anchor bolt (9) and a first pair of anchor bolts (10); The anchor plate (8) is fixed to the foundation (1) by anchor bolts (9); the lower part of the column base steel insert plate (7) is fixed to the anchor plate (8); The reconstructed bamboo frame column (2) and the supporting diagonal rod (4) are embedded in the upper part of the column base steel insert plate (7) and fixed to the column base steel insert plate (7) by the first pair of anchor bolts (10).
3. The fabricated re-bamboo framed-support structure according to claim 1, wherein: It also includes a column-beam-brace node (6), wherein the reconstituted bamboo frame column (2), the reconstituted bamboo frame beam (3) and the supporting diagonal rod (4) are connected by the column-beam-brace node; the column-beam-brace node (6) includes a T-shaped steel plate connector (61), a second pair of anchor bolts (62) and a fourth pair of anchor bolts (68); The T-shaped steel plate connector (61) is fixed to the outside of the reconstituted bamboo frame column (2) by the fourth pair of anchor bolts (68), and inserted into the support diagonal rod (4) and the reconstituted bamboo frame beam (3). The second pair of anchor bolts (62) are fixed through the T-shaped steel plate connector (61), the support diagonal rod (4) and the reconstituted bamboo frame beam (3).
4. The fabricated re-bamboo framed-support structure according to claim 1, wherein: It also includes beam-bracing nodes, through which the reconstituted bamboo frame beam (3) and the supporting diagonal rod (4) are connected; the beam-bracing node includes a first steel filler plate (63) and a third pair of anchor bolts (64); The first steel filler plate (63) is inserted into the middle of the reconstituted bamboo frame beam (3), and the supporting diagonal rod (4) is connected to the first steel filler plate (63) through the third pair of anchor bolts (64).
5. The fabricated re-bamboo framed-support structure according to claim 1, wherein: It also includes beam-bracing nodes, through which the reconstituted bamboo frame beam (3) and the supporting diagonal rod (4) are connected; the beam-bracing nodes include a second steel filler plate (66), a fifth pair of anchor bolts (67) and a steel sleeve (65); The steel sleeve (65) is fitted outside the reconstituted bamboo frame beam (3), the second steel filler plate (66) is welded to the steel sleeve (65), and the supporting diagonal rod (4) is connected to the second steel filler plate (66) through the fifth pair of anchor bolts (67).
6. The fabricated recombining bamboo framed-support structure according to claim 1, wherein: The floor system (5) consists of prefabricated reconstituted bamboo floor panels and steel keel, the steel keel including floor beams and floor cross braces.